diff --git a/CHANGELOG.md b/CHANGELOG.md
index 039cac6..7fa0628 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+Unreleased
+
+Other
+
+* Add the `Framework :: Matplotlib` PyPI trove classifier, so PyWaffle appears under the [Matplotlib framework facet](https://pypi.org/search/?c=Framework+%3A%3A+Matplotlib) on PyPI. The matplotlib third-party package list asks contributors to set it, and points readers at that facet to find more packages
+
+---
+
 v1.2.0 (2026-09-17)
 
 Fixes
diff --git a/pyproject.toml b/pyproject.toml
index 3558ae0..3b6566f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,6 +35,7 @@ dependencies = ["matplotlib>=3.6"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
+    "Framework :: Matplotlib",
     "Intended Audience :: Developers",
     "Intended Audience :: Education",
     "Intended Audience :: Information Technology",